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## org.bouncycastle.asn1.tsp
Class ArchiveTimeStamp

    java.lang.Object
      org.bouncycastle.asn1.ASN1Object
          org.bouncycastle.asn1.tsp.ArchiveTimeStamp

All Implemented Interfaces:
  ASN1Encodable, Encodable

public class ArchiveTimeStamp
extends ASN1Object

Implementation of the Archive Timestamp type defined in RFC4998.

See Also:
  RFC 4998

  ASN.1 Archive Timestamp

  ArchiveTimeStamp ::= SEQUENCE { digestAlgorithm [Ø] AlgorithmIdentifier OPTIONAL, attributes [1] Attributes OPTIONAL, reducedHashtree [2] SEQUENCE OF PartialHashtree OPTIONAL, timeStamp ContentInfo}

  PartialHashtree ::= SEQUENCE OF OCTET STRING

  Attributes ::= SET SIZE (1..MAX) OF Attribute

Constructor Summary
`ArchiveTimeStamp(AlgorithmIdentifier digestAlgorithm, Attributes attributes, PartialHashtree[] reducedHashTree, ContentInfo timeStamp)`
`ArchiveTimeStamp(AlgorithmIdentifier digestAlgorithm, PartialHashtree[] reducedHashTree, ContentInfo timeStamp)`
`ArchiveTimeStamp(ContentInfo timeStamp)`

Method Summary
`AlgorithmIdentifier` | `getDigestAlgorithm()` Return the contents of the digestAlgorithm field - null if not set.
`AlgorithmIdentifier` | `getDigestAlgorithmIdentifier()`
`PartialHashtree` | `getHashTreeLeaf()` Return the first node in the reduced hash tree which contains the leaf node.
`static ArchiveTimeStamp` | `getInstance(ASN1TaggedObject taggedObject, boolean declaredExplicit)`
`static ArchiveTimeStamp` | `getInstance(java.lang.Object obj)` Return an ArchiveTimestamp from the given object.
`PartialHashtree[]` | `getReducedHashTree()`
`static ArchiveTimeStamp` | `getTagged(ASN1TaggedObject taggedObject, boolean declaredExplicit)`
`ContentInfo` | `getTimeStamp()`
`byte[]` | `getTimeStampDigestValue()`
`ASN1Primitive` | `toASN1Primitive()` Method providing a primitive representation of this object suitable for encoding.

Methods inherited from class org.bouncycastle.asn1.ASN1Object
`encodeTo, encodeTo, equals, getEncoded, getEncoded, hasEncodedTagValue, hashCode`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ArchiveTimeStamp

    public ArchiveTimeStamp(AlgorithmIdentifier digestAlgorithm,
                            PartialHashtree[] reducedHashTree,
                            ContentInfo timeStamp)

### ArchiveTimeStamp

    public ArchiveTimeStamp(ContentInfo timeStamp)

### ArchiveTimeStamp

    public ArchiveTimeStamp(AlgorithmIdentifier digestAlgorithm,
                            Attributes attributes,
                            PartialHashtree[] reducedHashTree,
                            ContentInfo timeStamp)

Method Detail

### getInstance

    public static ArchiveTimeStamp getInstance(java.lang.Object obj)

  Return an ArchiveTimestamp from the given object.

  Parameters:
    `obj` - the object we want converted.
  Returns:
    an ArchiveTimestamp instance, or null.
  Throws:
    `java.lang.IllegalArgumentException` - if the object cannot be converted.

### getInstance

    public static ArchiveTimeStamp getInstance(ASN1TaggedObject taggedObject,
                                               boolean declaredExplicit)

### getTagged

    public static ArchiveTimeStamp getTagged(ASN1TaggedObject taggedObject,
                                             boolean declaredExplicit)

### getDigestAlgorithmIdentifier

    public AlgorithmIdentifier getDigestAlgorithmIdentifier()

### getTimeStampDigestValue

    public byte[] getTimeStampDigestValue()

### getDigestAlgorithm

    public AlgorithmIdentifier getDigestAlgorithm()

  Return the contents of the digestAlgorithm field - null if not set.

  Returns:
    the contents of the digestAlgorithm field, or null if not set.

### getHashTreeLeaf

    public PartialHashtree getHashTreeLeaf()

  Return the first node in the reduced hash tree which contains the leaf node.

  Returns:
    the node containing the data hashes, null if no reduced hash tree is present.

### getReducedHashTree

    public PartialHashtree[] getReducedHashTree()

### getTimeStamp

    public ContentInfo getTimeStamp()

### toASN1Primitive

    public ASN1Primitive toASN1Primitive()

  Description copied from class: `ASN1Object`
  Method providing a primitive representation of this object suitable for encoding.

  Specified by:
    `toASN1Primitive` in interface `ASN1Encodable`
  Specified by:
    `toASN1Primitive` in class `ASN1Object`
  Returns:
    a primitive representation of this object.

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